i915 dual head woes
gordon.jin at intel.com
Sun Apr 27 18:12:01 PDT 2008
Richard Lynch wrote on Monday, April 28, 2008 9:06 AM:
> On Sun, April 27, 2008 4:56 am, Jin, Gordon wrote:
>> Richard Lynch wrote on Saturday, April 26, 2008 10:32 AM:
>>> Sony VGN TXN 17P laptop
>>> HP L1940T external LCD/CRT
>>> Back story:
>>> (rather long, I'm afraid...)
>>> So I finally managed to get the latest kernel (for gentoo at least)
>>> and latest xorg emerged and the i915 driver finally installed...
>>> It's WORSE!
>>> Before, I had a working setup for just the LFP.
>>> And a working setup that would drive the external monitor, but send
>>> the LFP into black screen of death hibernation, which NOTHING would
>>> wake up.
>>> So if I ever wanted to quit Xorg, I'd have to cold-power-off the
>>> laptop. :-(
>>> Using the same .conf I now get...
>>> The external monitor is kind enough to inform me via the built-in
>>> on-screen-display that something is trying to run it at 640x480 @
>>> Other than that, I've got a doorstop.
>>> The only "weird" thing that leaps out at me is that both displays
>>> try to use pipe B, and neither one seems willing to use pipe B. Is
>>> that normal?...
>>> Can anybody who actually understands this stuff look at a .conf and
>>> .log and give me some idea what to try next?
>> You should write xorg.conf with ONE device and ONE screen. You can
>> refer to http://www.intellinuxgraphics.org/dualhead.html and try
>> both the dynamic and static setup.
> The dynamic setup doesn't do anything, since there's only one
> device/screen/monitor recognized by xrandr:
> lynch at localhost ~ $ xrandr -q
> SZ: Pixels Physical Refresh
> *0 800 x 600 ( 383mm x 302mm ) *75
> 1 640 x 480 ( 383mm x 302mm ) 75
> 2 800 x 1200 ( 383mm x 302mm ) 75
> Current rotation - normal
> Current reflection - none
> Rotations possible - normal left inverted right
> Reflections possible - none
> lynch at localhost ~ $
> I had higher sizes with different settings in xorg.conf, but nothing
> is making this other monitor show up...
> The static setup also does nothing useful so far...
> Log and conf files with intellinuxgraphics in their names here:
Try with driver "intel" instead of "i810" in xorg.conf.
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